Base | Representation |
---|---|
bin | 10110011001111001… |
… | …01101010010000110 |
3 | 1011001021120001212222 |
4 | 23030330231102012 |
5 | 144113232311044 |
6 | 5305322212342 |
7 | 604034501555 |
oct | 131474552206 |
9 | 34037501788 |
10 | 12028400774 |
11 | 511279a595 |
12 | 23b83540b2 |
13 | 1198cc9910 |
14 | 8216d1d9c |
15 | 4a5ed08ee |
hex | 2ccf2d486 |
12028400774 has 16 divisors (see below), whose sum is σ = 19797108912. Its totient is φ = 5446822368.
The previous prime is 12028400771. The next prime is 12028400801. The reversal of 12028400774 is 47700482021.
It is a happy number.
12028400774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12028400771) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4363064 + ... + 4365819.
It is an arithmetic number, because the mean of its divisors is an integer number (1237319307).
Almost surely, 212028400774 is an apocalyptic number.
12028400774 is a deficient number, since it is larger than the sum of its proper divisors (7768708138).
12028400774 is a wasteful number, since it uses less digits than its factorization.
12028400774 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8728951.
The product of its (nonzero) digits is 25088, while the sum is 35.
Adding to 12028400774 its reverse (47700482021), we get a palindrome (59728882795).
The spelling of 12028400774 in words is "twelve billion, twenty-eight million, four hundred thousand, seven hundred seventy-four".
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